1859 Cumengeite, Boleite, Amelia Mine, Santa Rosalia (El Boleo), Boleo District, Mun. de Mulege, Baja California Sur (BC Sur), Mexico September 22, 2019 Steve Mexico North and Central Americas Six crystals/clusters, including a star formed by cumengite crystals epitaxially overgrown on boleite.
Cornwall England United Kingdom 3621 Cumengeite, Padstow Consols, Padstow, Cornwall, England October 3, 2019
Mexico North and Central Americas ncat M2390 Boleite, Amelia Mine, Baja California, Mexico October 14, 2019
Mexico North and Central Americas Type Locality 0022 Boleite, Pseudoboleite, Boleo District, Santa RosalĂa, MulegĂ© Municipality, Baja California Sur, Mexico December 9, 2021